from django.core.urlresolvers import resolve, clear_url_caches, reverse, NoReverseMatch
from django.db import models
from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect, Http404
-from django.template import add_to_builtins as register_templatetags
from django.utils.encoding import smart_str
from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED, ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths
-from philo.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
+from philo.models.base import SlugTreeEntity, Entity, register_value_model
from philo.models.fields import JSONField
from philo.utils import ContentTypeSubclassLimiter
-from philo.validators import RedirectValidator
+from philo.utils.entities import LazyPassthroughAttributeMapper
from philo.signals import view_about_to_render, view_finished_rendering
+__all__ = ('Node', 'View', 'MultiView', 'Redirect', 'File')
+
+
_view_content_type_limiter = ContentTypeSubclassLimiter(None)
-class Node(TreeEntity):
+class Node(SlugTreeEntity):
"""
:class:`Node`\ s are the basic building blocks of a website using Philo. They define the URL hierarchy and connect each URL to a :class:`View` subclass instance which is used to generate an HttpResponse.
return '%s%s%s%s' % (domain, root_url, path, subpath)
- class Meta:
+ class Meta(SlugTreeEntity.Meta):
app_label = 'philo'
"""
raise NotImplementedError("View subclasses must implement get_reverse_params to support subpaths.")
- def attributes_with_node(self, node):
+ def attributes_with_node(self, node, mapper=LazyPassthroughAttributeMapper):
"""
- Returns a :class:`~philo.models.base.QuerySetMapper` using the :class:`Node`'s attributes as a passthrough.
+ Returns a :class:`LazyPassthroughAttributeMapper` which can be used to directly retrieve the values of :class:`Attribute`\ s related to the :class:`View`, falling back on the :class:`Attribute`\ s of the passed-in :class:`Node` and its ancestors.
"""
- return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
+ return mapper((self, node))
def render_to_response(self, request, extra_context=None):
"""
"""
clear_url_caches()
- subpath = request.node.subpath
+ subpath = request.node._subpath
view, args, kwargs = resolve(subpath, urlconf=self)
view_args = getargspec(view)
if extra_context is not None and ('extra_context' in view_args[0] or view_args[2] is not None):
class TargetURLModel(models.Model):
"""An abstract parent class for models which deal in targeting a url."""
- #: An optional :class:`ForeignKey` to a :class:`Node`. If provided, that node will be used as the basis for the redirect.
+ #: An optional :class:`ForeignKey` to a :class:`.Node`. If provided, that node will be used as the basis for the redirect.
target_node = models.ForeignKey(Node, blank=True, null=True, related_name="%(app_label)s_%(class)s_related")
- #: A :class:`CharField` which may contain an absolute or relative URL. This will be validated with :class:`philo.validators.RedirectValidator`.
- url_or_subpath = models.CharField(max_length=200, validators=[RedirectValidator()], blank=True, help_text="Point to this url or, if a node is defined and accepts subpaths, this subpath of the node.")
+ #: A :class:`CharField` which may contain an absolute or relative URL, or the name of a node's subpath.
+ url_or_subpath = models.CharField(max_length=200, blank=True, help_text="Point to this url or, if a node is defined and accepts subpaths, this subpath of the node.")
#: A :class:`~philo.models.fields.JSONField` instance. If the value of :attr:`reversing_parameters` is not None, the :attr:`url_or_subpath` will be treated as the name of a view to be reversed. The value of :attr:`reversing_parameters` will be passed into the reversal as args if it is a list or as kwargs if it is a dictionary. Otherwise it will be ignored.
reversing_parameters = JSONField(blank=True, help_text="If reversing parameters are defined, url_or_subpath will instead be interpreted as the view name to be reversed.")
return self.file.name
-register_templatetags('philo.templatetags.nodes')
register_value_model(Node)
\ No newline at end of file